TABLE 6.
Space‐time clusters of buildings/venues visited by imported COVID‐19 cases (IV) in the first and second waves of COVID‐19 in Hong Kong
| Cluster | Duration | Observed | Expected | Relative risk | p‐Value | No. LSBGs |
|---|---|---|---|---|---|---|
| 1 | March 14–April 9 | 55 | 0.96 | 70.03 | .00 | 55 |
| 2 | March 4–April 10 | 38 | 1.01 | 42.87 | .00 | 23 |
| 3 | March 4–April 9 | 31 | 1.03 | 33.57 | .00 | 41 |
| 4 | March 11–April 7 | 13 | 0.30 | 44.78 | .00 | 26 |
| 5 | March 11–April 1 | 12 | 0.26 | 48.26 | .00 | 20 |
| 6 | March 9–10 | 6 | 0.02 | 263.07 | .00 | 4 |
| 7 | March 25–April 9 | 5 | 0.01 | >500 | .00 | 1 |
| 8 | March 22–April 9 | 11 | 0.43 | 26.67 | .00 | 62 |
| 9 | March 4–12 | 8 | 0.15 | 54.30 | .00 | 10 |
| 10 | March 22–30 | 5 | 0.02 | 245.04 | .00 | 1 |
| 11 | March 6–11 | 5 | 0.08 | 66.14 | .01 | 1 |